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Extended Marine Forecasts for the Great Lakes and St. Lawrence River (On)


* NOTE: Corrected and/or amended bulletins are listed first *

 
FQCN53 CWTO 300700
Extended marine forecasts for the Canadian portion of the Great Lakes
and the Ontario portion of the St. Lawrence River issued by
Environment Canada at 3:00 a.m. EDT Wednesday 30 April 2025 for
Friday Saturday and Sunday.
The next scheduled forecast will be issued at 6:30 p.m. EDT.

Lake Superior.
Friday..Wind light becoming north 15 knots in the morning.
Saturday..Wind north 15 knots becoming southwest 15.
Sunday..Wind light.

Whitefish Bay.
Friday..Wind light becoming northwest 15 knots late in the day.
Saturday..Wind northwest 15 knots diminishing to light.
Sunday..Wind light.

Lake Huron.
Friday..Wind northeast 15 knots backing to northwest 15 in the
morning then diminishing to light in the afternoon.
Saturday..Wind northwest 15 knots.
Sunday..Wind north 15 knots.

Georgian Bay.
Friday..Wind northeast 15 knots backing to northwest 15 in the
morning.
Saturday..Wind light.
Sunday..Wind northwest 15 knots diminishing to light late in the day.

Lake St. Clair.
Friday..Wind southwest 15 knots veering to northwest 15 in the
morning then diminishing to light late in the day.
Saturday..Wind light becoming north 15 knots.
Sunday..Wind north 15 knots.

Lake Erie.
Friday..Wind southwest 20 knots increasing to southwest 25 in the
morning then diminishing to light late in the day.
Saturday..Wind light becoming north 15 knots.
Sunday..Wind north 15 knots.

Lake Ontario.
Friday..Wind south 15 knots increasing to southwest 25 in the
afternoon then diminishing to west 15 late in the day.
Saturday..Wind light.
Sunday..Wind light becoming north 15 knots.

Kingston to Cornwall.
Friday..Wind light becoming southwest 15 knots in the afternoon.
Saturday..Wind light.
Sunday..Wind light.

End
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